In the present disclosure!, there is disclosed an epoxy resin formulation for the manufacturing of large and thick composite structures, said formulation comprising i) at least one epoxy resin in a weight proportion varying between 50 parts to 70 parts; (ii) at least one hardening agent in a weight proportion varying between 21 phr to 29 phr; (iii) at least one diluent in a weight proportion varying between 10 phr to 40 phr; and (iv) N,Ndimethylaminopropylamine as an accelerator in a weight proportion varying between 0.5 phr to 3.0 phr. The formulation is used in the manufacturing of large and thick composite structures by employing Vacuum Assisted Resin Transfer Molding Process.

Singh M.,Shoolini University of Biotechnology and Management Sciences | Mishra V.D.,Defence Research Development Organization DRDO | Thakur N.K.,Defence Research Development Organization DRDO | Sharma J.D.,Shoolini University of Biotechnology and Management Sciences Journal of the Indian Society of Remote Sensing | Year: 2015

Singh M.,Shoolini University of Biotechnology and Management Sciences | Mishra V.D.,Defence Research Development Organization DRDO | Thakur N.K.,Defence Research Development Organization DRDO | Sharma J.D.,Shoolini University of Biotechnology and Management Sciences Journal of the Indian Society of Remote Sensing | Year: 2015